Portion of a golf club head



FIG. 1 is a rear perspective view of a portion of a golf club headshowing my new design;

FIG. 2 is a rear view thereof;

FIG. 3 is a heel end view thereof; and,

FIG. 4 is a bottom view thereof.

The broken line immediately adjacent to the shaded region forms anunclaimed boundary of the design. The broken line showing of theremainder of the golf club head is for illustrative purposes only andforms no part of the claimed design.

The ornamental design for a portion of a golf club head, as shown anddescribed.